Cut back the syntactic constructs handled by the flow graph builder.

Cut back the syntactic constructs handled by the flow graph builder.

While the flow graph is experimental, it's easier to be able to ignore
some problematic syntactic constructs.  Reduce the ones that can occur
in constructed flow graphs.

Committed: http://code.google.com/p/v8/source/detail?r=4084

[fschneider, 2010-03-10 13:36:18]

http://codereview.chromium.org/790004/diff/1/2
File src/data-flow.cc (right):

http://codereview.chromium.org/790004/diff/1/2#newcode172
src/data-flow.cc:172: if (lit->name()->IsEqualTo(CStrVector("cordicsincos"))) {
This if-statement should be removed before committing.

[fschneider, 2010-03-10 13:37:11]

LGTM.